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atl1e: fix broken multicast by removing unnecessary crc inversion 

Inverting the crc after calling ether_crc_le() is unnecessary and breaks
multicast. Remove it.

Tested-by: David Madore <david.madore@ens.fr>
Signed-off-by: Jay Cliburn <jcliburn@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
J. K. Cliburn 2008-11-11 16:21:48 -06:00 committed by Jeff Garzik
parent 81183059e8
commit 7ee0fddfe0
1 changed files with 0 additions and 4 deletions
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4
drivers/net/atl1e/atl1e_hw.c
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@ -163,9 +163,6 @@ int atl1e_read_mac_addr(struct atl1e_hw *hw)
* atl1e_hash_mc_addr * atl1e_hash_mc_addr
* purpose * purpose
* set hash value for a multicast address * set hash value for a multicast address
* hash calcu processing :
* 1. calcu 32bit CRC for multicast address
* 2. reverse crc with MSB to LSB
*/ */
u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr) u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr)
{ {
@ -174,7 +171,6 @@ u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr)
int i; int i;
crc32 = ether_crc_le(6, mc_addr); crc32 = ether_crc_le(6, mc_addr);
crc32 = ~crc32;
for (i = 0; i < 32; i++) for (i = 0; i < 32; i++)
value |= (((crc32 >> i) & 1) << (31 - i)); value |= (((crc32 >> i) & 1) << (31 - i));